28597640

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1367}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 64514880

約数和(自身を除く): 35917240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 1367, 2092, 2615, 2734, 4184, 5230, 5468, 6835, 10460, 10936, 13670, 20920, 27340, 54680, 714941, 1429882, 2859764, 3574705, 5719528, 7149410, 14298820, 28597640]

約数ペア:

[(1, 28597640), (2, 14298820), (4, 7149410), (5, 5719528), (8, 3574705), (10, 2859764), (20, 1429882), (40, 714941), (523, 54680), (1046, 27340), (1367, 20920), (2092, 13670), (2615, 10936), (2734, 10460), (4184, 6835), (5230, 5468)]